opencv gpu install http://ramnath.io/posts/opencv-python-virtualenv-ubuntu14.04 tensorboard T-SNE https://www.youtube.com/watch?v=15viNp_lUdk darknet YOLO https://pjreddie.com/darknet/yolo/ http://martin.pixelstairs.com/69 Monocular SLAM https://vision.in.tum.de/research/vslam/lsdslam?redirect=1